| article html file updated | 7 February 2020 15:31 CET | Update | https://www.mdpi.com/2304-6732/3/4/51 |
| article html file updated | 5 May 2019 03:08 CEST | Update | - |
| article html file updated | 28 December 2016 11:34 CET | Update | - |
| article html file updated | 24 September 2016 13:42 CEST | Original file | - |
| article xml uploaded. | 24 September 2016 13:41 CEST | Update | https://www.mdpi.com/2304-6732/3/4/51/xml |
| article xml uploaded. | 24 September 2016 13:41 CEST | Update | - |
| article xml uploaded. | 24 September 2016 13:41 CEST | Update | - |
| article xml uploaded. | 24 September 2016 13:41 CEST | Original file | - |
| article pdf uploaded. | 24 September 2016 13:41 CEST | Version of Record | https://www.mdpi.com/2304-6732/3/4/51/pdf |
